/* 美彦雾森 · 高端企业官网视觉 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

:root {
  --ink: #0f1a14;
  --stone: #526058;
  --mist: #eef2ef;
  --paper: #f6f4ef;
  --leaf: #1f4d36;
  --leaf-deep: #14241b;
  --brass: #a6895a;
  --line: rgba(15, 26, 20, 0.1);
  --green: #1f4d36;
  --green-dark: #14241b;
  --green-light: #2f6b4a;
  --green-pale: #eaf1ec;
  --gold: #a6895a;
  --dark: #0f1a14;
  --gray-700: #3a433d;
  --gray-500: #526058;
  --gray-200: #d5ddd7;
  --gray-100: #eef2ef;
  --white: #fff;
  --shadow: 0 18px 50px rgba(15, 26, 20, 0.08);
  --font-display: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --header-h: 78px;
  --topbar-h: 0px;
  --container: 1200px;
}

html { scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  font-family: var(--font-body);
  color: var(--stone);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(166, 137, 90, 0.08), transparent 55%),
    radial-gradient(900px 420px at 90% 0%, rgba(31, 77, 54, 0.07), transparent 50%),
    var(--paper);
  -webkit-font-smoothing: antialiased;
}
body.corp-home { overflow-x: hidden; }

.container { max-width: var(--container); }

/* ========== 顶栏隐藏 ========== */
.topbar { display: none !important; }

/* ========== 导航 ========== */
.header {
  position: absolute;
  inset: 0 0 auto 0;
  height: var(--header-h);
  background: transparent;
  box-shadow: none;
  z-index: 1000;
  transition: background .25s ease, box-shadow .25s ease;
}
.header.is-solid,
.header.scrolled {
  position: fixed;
  background: rgba(250, 250, 248, 0.96);
  backdrop-filter: saturate(1.2) blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.header-inner { height: 100%; gap: 18px; }
.logo { gap: 10px; align-items: baseline; }
.logo-text-wrap {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}
.header .logo-mark {
  background: none;
  color: #fff;
  padding: 0;
  border-radius: 0;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.18em;
}
.header .logo-text {
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: none;
}
.header.is-solid .logo-mark,
.header.scrolled .logo-mark { color: var(--ink); }
.header.is-solid .logo-text,
.header.scrolled .logo-text { color: var(--stone); }
.main-nav { gap: 22px; flex: 1; justify-content: center; }
.main-nav a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 6px 0;
}
.main-nav a::after {
  height: 1px;
  background: var(--brass);
  bottom: 0;
}
.header.is-solid .main-nav a,
.header.scrolled .main-nav a { color: var(--ink); }
.header.is-solid .main-nav a:hover,
.header.scrolled .main-nav a:hover,
.header.is-solid .main-nav a.active,
.header.scrolled .main-nav a.active { color: var(--leaf); }
.header.is-solid .nav-dropdown,
.header.scrolled .nav-dropdown {
  background: #fff;
  border-color: var(--line, #dce3dc);
}
.header.is-solid .nav-dropdown a,
.header.scrolled .nav-dropdown a {
  color: var(--ink);
}
.header:not(.is-solid):not(.scrolled) .nav-dropdown {
  background: rgba(250, 250, 248, 0.98);
}
.header-actions { gap: 12px; }
.header-lang-select {
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 7px 10px;
  min-height: 38px;
  letter-spacing: 0.06em;
  font-size: 12px;
}
.header-lang-select option { color: #111; }
.header.is-solid .header-lang-select,
.header.scrolled .header-lang-select {
  border-color: var(--line, #dce3dc);
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink);
}
.header-cta {
  border-radius: 0;
  padding: 11px 22px;
  font-size: 12px;
  letter-spacing: 0.18em;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.55);
}
.header-cta:hover { background: #fff; color: var(--leaf-deep); }
.header.is-solid .header-cta,
.header.scrolled .header-cta {
  background: var(--leaf-deep);
  border-color: var(--leaf-deep);
  color: #fff;
}
.header.is-solid .header-cta:hover,
.header.scrolled .header-cta:hover { background: var(--leaf); border-color: var(--leaf); }
.nav-toggle span { background: #fff; }
.header.is-solid .nav-toggle span,
.header.scrolled .nav-toggle span { background: var(--ink); }

/* ========== 英雄区 ========== */
.carousel {
  position: relative;
  height: 100svh;
  min-height: 640px;
  max-height: 960px;
  background: #0c1611;
}
.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  transition: transform 8s ease;
  filter: saturate(1.05) contrast(1.04);
}
.carousel-slide.active img,
.carousel-slide:first-child img { animation: heroZoom 18s ease-in-out infinite alternate; }
@keyframes heroZoom {
  from { transform: scale(1.03); }
  to { transform: scale(1.1); }
}
.carousel-overlay {
  background:
    linear-gradient(105deg, rgba(8, 16, 12, 0.82) 0%, rgba(8, 16, 12, 0.45) 46%, rgba(8, 16, 12, 0.18) 100%),
    linear-gradient(to top, rgba(8, 16, 12, 0.55) 0%, transparent 42%);
  align-items: flex-end;
  padding-bottom: clamp(72px, 12vh, 120px);
}
.carousel-caption {
  max-width: 720px;
  padding: 0 clamp(24px, 7vw, 96px);
  animation: heroFade 1.1s cubic-bezier(.22, 1, .36, 1) both;
}
@keyframes heroFade {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: none; }
}
.carousel-caption .hero-brand {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 7.2vw, 5.2rem);
  font-weight: 700;
  letter-spacing: 0.28em;
  line-height: 1;
  margin: 0 0 22px;
  color: #fff;
  text-indent: 0.14em;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}
.carousel-caption .hero-brand-sub {
  display: block;
  margin: -8px 0 22px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  letter-spacing: 0.42em;
  text-indent: 0.2em;
}
.carousel-caption h1,
.carousel-caption .carousel-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  font-weight: 500;
  letter-spacing: 0.18em;
  margin: 0 0 16px;
  line-height: 1.55;
  max-width: 18em;
  color: rgba(255, 255, 255, 0.96);
}
.carousel-caption p {
  font-size: 15px;
  letter-spacing: 0.06em;
  line-height: 1.9;
  opacity: 0.88;
  margin: 0 0 34px;
  max-width: 28em;
}
.hero-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 5;
  pointer-events: none;
}
.hero-scroll-hint span {
  display: block;
  width: 1px;
  height: 42px;
  background: linear-gradient(to bottom, rgba(255,255,255,.7), transparent);
  animation: scrollHint 1.8s ease-in-out infinite;
}
@keyframes scrollHint {
  0%, 100% { opacity: .35; transform: scaleY(.7); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}
.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.carousel-caption .btn,
.carousel-caption .btn-white {
  border-radius: 0;
  background: #fff;
  color: var(--leaf-deep);
  border: 1px solid #fff;
  padding: 14px 32px;
  font-size: 13px;
  letter-spacing: 0.2em;
  font-weight: 600;
}
.carousel-caption .btn:hover {
  background: transparent;
  color: #fff;
}
.carousel-caption .btn-ghost-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.55);
  padding: 14px 28px;
  font-size: 13px;
  letter-spacing: 0.18em;
}
.carousel-caption .btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}
.carousel-dots { bottom: 26px; gap: 10px; }
.carousel-dot,
.carousel-dot.active {
  width: 28px;
  height: 2px;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.35);
}
.carousel-dot.active { background: #fff; width: 48px; }
.carousel-btn {
  width: 42px;
  height: 42px;
  border-radius: 0;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: none;
  font-size: 20px;
  opacity: 0.85;
}
.carousel-btn:hover { background: rgba(255, 255, 255, 0.1); opacity: 1; }

/* ========== 信任条 ========== */
.trust-strip {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 36px 0;
}
.trust-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  text-align: center;
}
.trust-item {
  padding: 8px 12px;
  border-right: 1px solid var(--line);
}
.trust-item:last-child { border-right: none; }
.trust-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.2;
  margin-bottom: 8px;
}
.trust-item span {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

/* ========== 通用区块 ========== */
.section { padding: clamp(72px, 9vw, 112px) 0; }
.section-head { margin-bottom: 48px; }
.section-head h2,
.about-intro h1,
.about-intro h2,
.contact-info .section-head h2,
.geo-brand-title {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ink);
}
.section-head h2 {
  font-size: clamp(1.55rem, 2.5vw, 2rem);
  margin-bottom: 0;
}
.section-head h2::after {
  width: 32px;
  height: 1px;
  background: var(--brass);
  margin: 18px auto 0;
  border-radius: 0;
}
.section-head.align-left h2::after { margin-left: 0; }
.section-head p {
  margin-top: 16px;
  font-size: 15px;
  color: var(--stone);
  letter-spacing: 0.02em;
  line-height: 1.8;
  max-width: 36em;
}
.section-tag {
  display: inline-block;
  color: var(--brass);
  font-size: 12px;
  letter-spacing: 0.35em;
  font-weight: 500;
  margin-bottom: 10px;
}
.section-more-link {
  color: var(--leaf);
  letter-spacing: 0.08em;
  font-size: 13px;
}

/* ========== 按钮 ========== */
.btn { border-radius: 0; letter-spacing: 0.08em; }
.btn-primary {
  background: var(--leaf-deep);
  color: #fff;
  border: 1px solid var(--leaf-deep);
}
.btn-primary:hover { background: var(--leaf); border-color: var(--leaf); }
.btn-white { border-radius: 0; }

/* ========== 方案 ========== */
.solutions-section { background: #fff; }
.solutions-grid { gap: 20px; }
.solution-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
  overflow: hidden;
  transition: border-color .25s, transform .25s;
}
.solution-card:hover {
  transform: translateY(-3px);
  border-color: rgba(36, 85, 54, 0.35);
  box-shadow: var(--shadow);
}
.solution-img { height: 220px; }
.solution-body {
  padding: 26px 24px 28px;
  background: #fff;
}
.solution-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 12px;
}
.solution-body p {
  font-size: 14px;
  color: var(--stone);
  line-height: 1.85;
  margin-bottom: 18px;
}
.solution-link {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--leaf);
  font-weight: 600;
}

/* ========== 产品（浅色企业风） ========== */
.products-section { background: var(--paper); }
.category-tabs { gap: 10px; margin-bottom: 36px; }
.tab-btn {
  border-radius: 0;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--stone);
  letter-spacing: 0.1em;
  font-size: 13px;
  padding: 9px 18px;
}
.tab-btn.active,
.tab-btn:hover {
  background: var(--leaf-deep);
  color: #fff;
  border-color: var(--leaf-deep);
}
.products-grid { gap: 20px; }
.product-card {
  border-radius: 0;
  background: #fff;
  overflow: hidden;
  border: 1px solid var(--line);
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.product-card:hover {
  transform: translateY(-3px);
  border-color: rgba(36, 85, 54, 0.35);
  box-shadow: var(--shadow);
}
.product-img { height: 200px; }
.product-body { padding: 22px 20px 24px; }
.product-body h3 {
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  font-size: 1.05rem;
  color: var(--ink);
}
.product-link { letter-spacing: 0.1em; font-weight: 600; color: var(--leaf); }

/* cases tabs */
.cases-section .tab-btn {
  border-color: var(--line);
  color: var(--stone);
  background: #fff;
}
.cases-section .tab-btn.active,
.cases-section .tab-btn:hover {
  background: var(--leaf-deep);
  border-color: var(--leaf-deep);
  color: #fff;
}

/* ========== CTA ========== */
.cta-banner {
  position: relative;
  background:
    linear-gradient(120deg, rgba(15, 26, 20, 0.92), rgba(20, 36, 27, 0.88)),
    url('/images/banners/banner-park-fog.png') center/cover no-repeat;
  border: none;
  padding: 0;
  overflow: hidden;
}
.cta-banner > .container { padding-top: 72px; padding-bottom: 72px; position: relative; z-index: 1; }
.cta-inner {
  padding: 0;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.cta-banner .cta-text h3 {
  color: #fff;
  font-family: var(--font-display);
  letter-spacing: 0.14em;
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
}
.cta-banner .cta-text p,
.cta-banner .cta-text a { color: rgba(255, 255, 255, 0.78); }
.cta-banner .cta-text a { color: #fff; font-weight: 700; }
.cta-banner .btn-lg,
.cta-banner .btn-white {
  background: #fff;
  color: var(--leaf-deep);
  border-radius: 0;
  letter-spacing: 0.18em;
  padding: 14px 32px;
}
.cta-banner .btn-lg:hover,
.cta-banner .btn-white:hover {
  background: transparent;
  color: #fff;
  border: 1px solid #fff;
}

/* ========== 关于 ========== */
.about-section {
  background:
    linear-gradient(180deg, #fff 0%, #fbfaf7 100%);
}
.about-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}
.about-intro h1,
.about-intro h2 {
  font-size: clamp(1.7rem, 2.8vw, 2.2rem);
  letter-spacing: 0.16em;
  margin: 8px 0 14px;
}
.about-lead {
  font-size: 16px;
  color: var(--brass);
  letter-spacing: 0.14em;
  margin: 0 0 20px;
  font-weight: 500;
}
.about-text-content { color: var(--stone); line-height: 1.95; font-size: 15px; }
.about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.about-visual-frame {
  position: relative;
  overflow: hidden;
}
.about-visual-frame::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 35%;
  background: linear-gradient(to top, rgba(15, 26, 20, 0.35), transparent);
  pointer-events: none;
}
.about-visual-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border: none;
}
.corp-pillars {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-top: none;
  background: #fff;
}
.corp-pillars li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.corp-pillars li:last-child { border-bottom: none; }
.corp-pillars em {
  font-style: normal;
  font-family: var(--font-display);
  color: var(--brass);
  letter-spacing: 0.12em;
  font-size: 13px;
  padding-top: 2px;
}
.corp-pillars h4 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--ink);
  font-weight: 600;
}
.corp-pillars p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s cubic-bezier(.22,1,.36,1), transform .8s cubic-bezier(.22,1,.36,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.btn-outline {
  background: transparent;
  color: var(--leaf-deep);
  border: 1px solid rgba(22, 48, 36, 0.35);
  border-radius: 0;
  padding: 11px 22px;
  letter-spacing: 0.14em;
  font-size: 13px;
}
.btn-outline:hover {
  border-color: var(--leaf-deep);
  background: var(--mist);
}

/* ========== 服务流程 ========== */
.process-section {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.process-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  background: #fff;
  margin: 0;
  padding: 0;
}
.process-step {
  padding: 32px 28px;
  border-right: 1px solid var(--line);
  position: relative;
}
.process-step:last-child { border-right: none; }
.process-num {
  display: block;
  font-family: var(--font-display);
  color: var(--brass);
  letter-spacing: 0.2em;
  font-size: 13px;
  margin-bottom: 14px;
}
.process-step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  margin: 0 0 10px;
  font-weight: 600;
}
.process-step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}
.process-more {
  margin: 22px 0 0;
  text-align: center;
}
.process-more a {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--leaf-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.process-more a:hover { border-bottom-color: var(--leaf-deep); }

/* ========== 信任证明（资质/专利/流程/售后） ========== */
.trust-proof-section {
  background: #fff;
  border-top: 1px solid var(--line);
}
.trust-proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
}
.trust-proof-item {
  display: block;
  padding: 28px 24px 32px;
  border-right: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  background: #fff;
  transition: background 0.2s ease;
}
.trust-proof-item:last-child { border-right: none; }
.trust-proof-item:hover { background: var(--mist, #f3f7f4); }
.trust-proof-item em {
  display: block;
  font-style: normal;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--brass);
  margin-bottom: 14px;
}
.trust-proof-item h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  color: var(--ink);
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
}
.trust-proof-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}
.trust-proof-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 28px 0 0;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 36px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.about-stats > div {
  padding-right: 16px;
  border-right: 1px solid var(--line);
}
.about-stats > div:last-child { border-right: none; }
.about-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--ink);
  letter-spacing: 0.04em;
  line-height: 1.1;
}
.about-stats span {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}
.about-visual img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border: 1px solid var(--line);
}
.reasons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 0;
  border: 1px solid var(--line);
  border-top: none;
  background: #fff;
}
.reason-card {
  padding: 22px 20px;
  border: none;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}
.reason-card:nth-child(2n) { border-right: none; }
.reason-card:nth-child(n+3) { border-bottom: none; }
.reason-num {
  font-family: var(--font-display);
  color: var(--brass);
  letter-spacing: 0.2em;
  font-size: 13px;
  margin-bottom: 8px;
}
.reason-card h4 {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--ink);
  margin-bottom: 8px;
}
.reason-card p { font-size: 13px; color: var(--stone); line-height: 1.7; margin: 0; }

/* ========== GEO ========== */
.geo-section { background: #fff; }
.geo-brand-panel {
  border: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
  background: var(--paper);
  padding: 28px;
  margin-bottom: 28px;
}
.geo-brand-mark {
  font-family: var(--font-display) !important;
  background: #fff !important;
  color: var(--ink) !important;
  border: 1px solid var(--line);
  border-radius: 0 !important;
  letter-spacing: 0.2em;
}
.geo-brand-title {
  font-family: var(--font-display);
  letter-spacing: 0.1em;
}
.geo-city-search-bar {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 0;
  padding: 20px;
  margin-bottom: 24px;
}
.geo-city-search-input,
.geo-city-search-field {
  border-radius: 0 !important;
}
.geo-cities-grid a,
.geo-city-chip,
.geo-cities-grid .geo-city-item {
  border-radius: 0 !important;
}

/* ========== 案例 / 新闻 / FAQ ========== */
.cases-section { background: var(--paper); }
.case-card {
  border-radius: 0;
  box-shadow: none;
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.case-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.case-img { height: 230px; }
.case-tag {
  border-radius: 0;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--leaf);
  letter-spacing: 0.08em;
}
.case-body h3 { font-family: var(--font-display); letter-spacing: 0.06em; }

.news-section { background: #fff; }
.news-ticker-wrap { display: none !important; }
.news-col {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 28px;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.news-col-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  flex-shrink: 0;
}
.news-col-head h3 {
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  font-size: 1.05rem;
}
.news-list-panel { flex: 1; min-height: 0; }
.news-list-scroll {
  max-height: min(56vh, 520px);
}
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a:hover { color: var(--leaf); }
.news-scroll-hint { color: var(--stone); }

.faq-section { background: var(--paper); }
.faq-grid { gap: 12px; }
.faq-item,
.faq-card {
  background: #fff !important;
  border: 1px solid var(--line) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}
.faq-item h3,
.faq-q {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

/* ========== 联系 ========== */
.contact-section { background: #fff; }
.contact-layout { gap: 56px; }
.contact-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.contact-list strong {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--brass);
  margin-bottom: 6px;
}
.contact-list span {
  font-size: 15px;
  color: var(--ink);
}
.contact-form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 36px;
  box-shadow: none;
}
.form-group label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone);
}
.form-group input,
.form-group select,
.form-group textarea {
  border-radius: 0;
  border: 1px solid var(--line);
  padding: 12px 14px;
  background: #fff;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--leaf);
  box-shadow: 0 0 0 3px rgba(36, 85, 54, 0.08);
}
.contact-form .btn-block {
  margin-top: 8px;
  padding: 14px;
  letter-spacing: 0.2em;
}

/* ========== 页脚 ========== */
.footer {
  background: #0f1c15;
  color: rgba(255, 255, 255, 0.62);
  padding-top: 64px;
}
.footer .logo-mark {
  background: none;
  color: #fff;
  font-family: var(--font-display);
  letter-spacing: 0.2em;
  padding: 0;
  font-size: 22px;
}
.footer .logo-text {
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.2em;
  font-size: 13px;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.16em;
  font-size: 14px;
  margin-bottom: 18px;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top-color: rgba(255, 255, 255, 0.08);
  letter-spacing: 0.04em;
}
.footer-city-links {
  background: rgba(0, 0, 0, 0.18);
  border-top-color: rgba(255, 255, 255, 0.08);
}

/* ========== 浮动 / 聊天 ========== */
.float-phone {
  border-radius: 0;
  width: 48px;
  height: 48px;
  background: var(--leaf-deep);
  box-shadow: var(--shadow);
  right: 22px;
  bottom: 96px;
}
.float-phone:hover { background: var(--leaf); transform: none; }
.chat-toggle {
  border-radius: 0 !important;
  box-shadow: var(--shadow) !important;
}
.lang-float,
.lang-global-bar {
  border-radius: 0 !important;
  border-color: var(--line) !important;
}

/* ========== 响应式 ========== */
@media (max-width: 992px) {
  .trust-strip-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: none; }
  .trust-item:nth-child(1),
  .trust-item:nth-child(2) { border-bottom: 1px solid var(--line); padding-bottom: 18px; margin-bottom: 8px; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .process-step:nth-child(2) { border-right: none; }
  .process-step:nth-child(1),
  .process-step:nth-child(2) { border-bottom: 1px solid var(--line); }
  .trust-proof-grid { grid-template-columns: 1fr 1fr; }
  .trust-proof-item:nth-child(2) { border-right: none; }
  .trust-proof-item:nth-child(1),
  .trust-proof-item:nth-child(2) { border-bottom: 1px solid var(--line); }
  .about-layout { grid-template-columns: 1fr; gap: 36px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .hero-scroll-hint { display: none; }
}
@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .carousel { min-height: 520px; height: 88svh; }
  .carousel-caption .hero-brand { letter-spacing: 0.2em; text-indent: 0.1em; }
  .carousel-btn { display: none; }
  .main-nav {
    background: rgba(250, 250, 248, 0.98) !important;
  }
  body.nav-open .main-nav a,
  .main-nav a { color: var(--ink) !important; }
  .header .logo-mark { font-size: 22px; }
  .trust-item strong { font-size: 1.35rem; }
  .reasons-grid { grid-template-columns: 1fr; }
  .reason-card,
  .reason-card:nth-child(2n) {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .reason-card:last-child { border-bottom: none; }
  .about-stats { grid-template-columns: 1fr; gap: 16px; }
  .about-stats > div { border-right: none; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
  .about-stats > div:last-child { border-bottom: none; }
  .process-steps { grid-template-columns: 1fr; }
  .process-step { border-right: none; border-bottom: 1px solid var(--line); }
  .process-step:last-child { border-bottom: none; }
  .trust-proof-grid { grid-template-columns: 1fr; }
  .trust-proof-item { border-right: none; border-bottom: 1px solid var(--line); }
  .trust-proof-item:last-child { border-bottom: none; }
  .about-actions { flex-direction: column; align-items: stretch; }
  .about-actions .btn { text-align: center; }
}
